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CVE-2020-26409

Date: December 10, 2020

A DOS vulnerability exists in Gitlab CE/EE >=10.3, <13.4.7,>=13.5, <13.5.5,>=13.6, <13.6.2 that allows an attacker to trigger uncontrolled resource by bypassing input validation in markdown fields.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-26409
https://gitlab.com/gitlab-org/gitlab/-/issues/259626
https://hackerone.com/reports/990461
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-26409
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26409.json
https://www.mend.io/vulnerability-database/CVE-2020-26409

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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